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3 Mounting the Reactor box
d Attaching the Under panel to the Branch box
To attach the Under panel to the Branch box,
fasten the 2 screws removed in b at the positions d .
e Mounting the Reactor box 1
To attach the Reactor box 1 to the Under panel and
the Branch box, fasten the other 2 screws removed
in b at the positions e .
To secure the Reactor box 1, fasten the 2 Self-drilling screws 2
at the positions f .
g Attaching the Electrical cover to the Branch box
To attach the Electrical cover, fasten the 3 screws removed
in a at the positions g .
Note:
• Tighten the screws with a torque of 1.5 N•m.
• Use an electric screwdriver to fasten the
Self-drilling screws 2.
Electrical cover
4 Installation
A should be 270 mm or more to facilitate the
maintenance work.
Note: Perform installation by following the
Installation manual 4 for the Branch box.
Reactor box 1
Under panel
Opening
460
5 Electrical works
h Removing the Reactor cover
Remove 4 screws.
i Removing the Cable clamps
Remove 4 screws.
Cable clamps
j Wiring
Connect the lead wires according to the wiring diagram on the right.
k Securing the lead wires
Fix the lead wires with the Cable clamps of the Reactor box 1.
Fasten the 4 screws removed in i .
l Attaching the Reactor cover
To attach the Reactor cover, fasten the 4 screws removed in h
at the positions h .
Follow the installation standard shown in the picture below.
Installation standard for the Reactor cover
When attaching the Reactor cover, hold it
in the direction of the arrow.
Reactor cover
Reactor cover
Terminal blocks
•Power supply from Outdoor unit
Branch box
Reactor box
TB2B
TB2D
TB2C
WHT
L
L
L
BLU
N
N
N
BLK
To another
Branch box
•Supply power separately to
Branch box and Outdoor unit
Branch box
Circuit
Reactor box
breaker
TB2B
TB2D
TB2C
WHT
L
L
L
BLU
N
N
N
BLK
To another
Branch box,
Reactor box
or M-NET
control indoor unit
To
Outodoor unit
Power supply
200/230/240V 50Hz
220V 60Hz
Pull box
Pull box
BH79J409H01
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